Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2023 13:52

General

  • Target

    8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe

  • Size

    464KB

  • MD5

    5f73a8671d397a20c4a72d21ca664702

  • SHA1

    cced638f3bd22c49fa681061b02520847dbc6d14

  • SHA256

    8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487

  • SHA512

    73816017104e12b3f1b13f82e7d7fe3c3e6057d0110a64962a042af4de7c18c152940c901236e4045656cbc921eb31682206ed47e913a347308a4bf18f73a9a4

  • SSDEEP

    6144:vloCo1vYPH9q0vDoe8ZORMs3v/w7HGmxmW3P94WqqOmd:vmCo1vanvDAORMs30qg94WqNm

Malware Config

Extracted

Family

vidar

Version

3.6

Botnet

78489afd9d9a4747beb445e5fb5b9c96

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    78489afd9d9a4747beb445e5fb5b9c96

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Extracted

Family

laplas

C2

http://89.23.97.128

Attributes
  • api_key

    bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396

Signatures

  • Laplas Clipper

    Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe
    "C:\Users\Admin\AppData\Local\Temp\8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\ProgramData\55365626491968644388.exe
      "C:\ProgramData\55365626491968644388.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        PID:4592
    • C:\ProgramData\46294541277676992451.exe
      "C:\ProgramData\46294541277676992451.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\46294541277676992451.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3112
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 0
          4⤵
            PID:1732
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8ef82022b425c3dd3de163ecccb7f61e1769123e2492bc01ca122afd61501487.exe" & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:980
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          3⤵
          • Delays execution with timeout.exe
          PID:4940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 2228
        2⤵
        • Program crash
        PID:3708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4388 -ip 4388
      1⤵
        PID:2784

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\46294541277676992451.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\46294541277676992451.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\46294541277676992451.exe

        Filesize

        4.3MB

        MD5

        9abf6a8efa066a03eba449a11cafef79

        SHA1

        317d75f39958078a9706364e9c73ae3d356c90b4

        SHA256

        8d0f39e08426bf9e7ebc6d84307f0c725136ab9004093e445811881169b5db29

        SHA512

        bacdebecc2f3d4c5634d664e702edb90ecbae113ba0a09a162bdbc844d36393dcfa90dad2e56bbdc77c2bb90165c06d56a1bab2a0d370a34fa664b34c79b908a

      • C:\ProgramData\55365626491968644388.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\55365626491968644388.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\55365626491968644388.exe

        Filesize

        3.5MB

        MD5

        f5548281bcdcec5c1d151d3417412042

        SHA1

        be6d9b40b6ede0f3c5582b8f48bde7f44f2ed792

        SHA256

        3469724e57612ca20c888a5a86719c3e4b6fe71f2cfcfecff2fb3950fd0a32ac

        SHA512

        387d864aca4be8691c20b0ec4b11906491cdb7b0fc435f59699c0596a47ad086d711ed97c47a611b58adf1096203ab7a488e26c307d885e566f56db6dcecab4c

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

        Filesize

        675.6MB

        MD5

        133df3b1954e02b199aea31ad6e3a2fc

        SHA1

        682625c8a4ba5988000f5389a089d2599e82d904

        SHA256

        b44abf93c79e2ea15ccb3bb0112097a941c06c646bdba28e72321d3ffe024bd4

        SHA512

        231c502da885e0af6c629263157c4e66d9c656c709a725fdc87a8fc053936ff5cc629d209870bd94c102f4169c9f7b17c2bb87cd555e3e802105a826f26f901c

      • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

        Filesize

        705.9MB

        MD5

        b1434339f03258239d70790a03dc527d

        SHA1

        ddaa0f0d1bc390f4d3d361d94556bd6fa4506fca

        SHA256

        9bf390078156cf873854e41fb19e875226637f8cce605dee0e15790db8883d11

        SHA512

        1bc2d4c941f7869012550b3e43e72713d8b42acc344ba50247162e4093c14298ca92df117be34484028bce027f28a513ee2d4f7217c256f1a8489b3700312d73

      • memory/1728-251-0x0000000000CB0000-0x0000000001B13000-memory.dmp

        Filesize

        14.4MB

      • memory/1728-250-0x0000000000CB0000-0x0000000001B13000-memory.dmp

        Filesize

        14.4MB

      • memory/2312-253-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-255-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-238-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-239-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-240-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-241-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-236-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-235-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-234-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-237-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-260-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/2312-257-0x0000000000C60000-0x00000000014C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4388-222-0x0000000000400000-0x0000000000819000-memory.dmp

        Filesize

        4.1MB

      • memory/4388-134-0x00000000025F0000-0x000000000264D000-memory.dmp

        Filesize

        372KB

      • memory/4388-252-0x0000000000400000-0x0000000000819000-memory.dmp

        Filesize

        4.1MB

      • memory/4388-145-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4388-144-0x0000000000400000-0x0000000000819000-memory.dmp

        Filesize

        4.1MB

      • memory/4388-174-0x00000000025F0000-0x000000000264D000-memory.dmp

        Filesize

        372KB

      • memory/4592-269-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-273-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-264-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-266-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-268-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-262-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-270-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-271-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-272-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-263-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-274-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-275-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-276-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-278-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-279-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-280-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-281-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB

      • memory/4592-282-0x0000000000A60000-0x00000000012C8000-memory.dmp

        Filesize

        8.4MB